- For other uses, see Zachary.
In 2268, Rau beamed down to the war-ravaged capital city of Rudimon as its population began a fledgling peace. He accompanied large numbers of the ship's personnel to help train medical technicians, provide new educational techniques to teachers, and upgrade the city's power plant. While he was assisting, an outdated, underground nuclear engine blew up. Rau was one of 63 Enterprise crew who were killed in the blast.